<template>
  <div class="app-container">
    <div v-show="!open">
      <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
        <el-form-item label="文章类型" prop="type">
          <el-select v-model="queryParams.type" placeholder="选择文章类型">
            <el-option v-for="(name,key) in ARTICLE_TYPES" :key="key" :label="name" :value="key"
                       allow-create></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input
            v-model="queryParams.title"
            placeholder="请输入标题"
            clearable
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>

        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>

      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['wx:article:add']"
          >新增
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="success"
            plain
            icon="el-icon-edit"
            size="mini"
            :disabled="single"
            @click="handleUpdate"
            v-hasPermi="['wx:article:edit']"
          >修改
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="success"
            plain
            size="mini"
            :disabled="single"
            @click="handlePreview"
            v-hasPermi="['wx:article:list']"
          >预览
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="danger"
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['wx:article:remove']"
          >删除
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="warning"
            plain
            icon="el-icon-download"
            size="mini"
            @click="handleExport"
            v-hasPermi="['wx:article:export']"
          >导出
          </el-button>
        </el-col>
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>

      <el-table border v-loading="loading" :data="articleList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center"/>
        <el-table-column label="ID" align="center" prop="id" v-if="true"/>
        <el-table-column label="文章类型" align="center" prop="type" :formatter="articleTypeFormat"/>
        <el-table-column label="标题" align="center" prop="title"/>
        <el-table-column label="一级目录" align="center" prop="category"/>
        <el-table-column label="二级目录" align="center" prop="subCategory"/>
        <el-table-column label="点击次数" align="center" prop="openCount"/>
        <el-table-column label="生效时间" align="center" prop="startTime" width="180">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.startTime, '{y}-{m}-{d}') }}</span>
          </template>
        </el-table-column>
        <el-table-column label="失效时间" align="center" prop="endTime" width="180">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.endTime, '{y}-{m}-{d}') }}</span>
          </template>
        </el-table-column>
        <el-table-column label="文章首图" align="center" prop="image" width="100">
          <template slot-scope="scope">
            <image-preview :src="scope.row.image" :width="50" :height="50"/>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-view"
              @click="handlePreview(scope.row)"
              v-hasPermi="['wx:article:list']"
            >预览
            </el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['wx:article:edit']"
            >修改
            </el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              v-hasPermi="['wx:article:remove']"
            >删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total>0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />
    </div>
    <!-- 新增 / 修改  -->
    <add-or-update :visible="open" ref="addOrUpdate" @refreshDataList="getList" @hide="open=false"></add-or-update>
  </div>
</template>

<script>
  import {listArticle, delArticle } from "@/api/wx/article";
  import {mapState} from 'vuex'
  import AddOrUpdate from './add-or-update';

  export default {
    name: "Article",
    data() {
      return {
        // 按钮loading
        buttonLoading: false,
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        dataListSelections: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // CMS文章中心表格数据
        articleList: [],
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          type: undefined,
          title: undefined,
          summary: undefined,
          tags: undefined,
          content: undefined,
          category: undefined,
          subCategory: undefined,
          openCount: undefined,
          startTime: undefined,
          endTime: undefined,
          targetLink: undefined,
          image: undefined
        }
      };
    },
    components: {
      AddOrUpdate
    },
    created() {
      this.getList();
    },
    computed: mapState({
      ARTICLE_TYPES: state => state.article.ARTICLE_TYPES
    }),
    methods: {
      /** 查询CMS文章中心列表 */
      getList() {
        this.loading = true;
        listArticle(this.queryParams).then(response => {
          this.articleList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.dataListSelections = selection
        this.single = selection.length !== 1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.open = true
        this.$nextTick(() => {
          this.$refs.addOrUpdate.init(null)
        })
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        const id = row.id || this.ids
        this.open = true
        this.$nextTick(() => {
          this.$refs.addOrUpdate.init(id)
        })
      },
      handlePreview(row){
        const targetLink = row.targetLink || this.dataListSelections[0].targetLink
        console.info(targetLink)
        window.open(targetLink, "_blank");
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$modal.confirm('是否确认删除CMS文章中心编号为"' + ids + '"的数据项？').then(() => {
          this.loading = true;
          return delArticle(ids);
        }).then(() => {
          this.loading = false;
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {
        }).finally(() => {
          this.loading = false;
        });
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('wx/article/export', {
          ...this.queryParams
        }, `article_${new Date().getTime()}.xlsx`)
      },
      articleTypeFormat(row, column, cellValue) {
        return this.ARTICLE_TYPES[cellValue];
      }
    }
  };
</script>
